James R. Baker Jr., MD
NPI 1063501989ActiveIndividual· Internal Medicine, Allergy & Immunology· Ann Arbor, MI
Internal Medicine, Allergy & Immunology (MD) in Ann Arbor, Michigan, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1978). Medicare paid $2,385 for services to 27 patients in 2024. Atricure, Inc. reported $162.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1063501989 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 11, 2006 |
| Last updated in NPPES | Sep 10, 2020 |
| Certified by provider | Sep 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Allergy & Immunology Primary | 207RA0201X | 4301054776 | MI |
| Internal Medicine | 207R00000X | 4301054776 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 64 across 9 procedure codes |
| Paid by Medicare | $2,385 |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$162.01 · 1 payment from 1 company
- 2024$50.10 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $162.01 | 1 |
What the 2025 payments were for
- Food and Beverage$162.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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